Fig. 1From: Echogenicity and size of substantia nigra on transcranial sonography (TCS) in patients with attention-deficit/hyperactivity disorder and healthy children aged 6–12 years: a comparative studyMid-brain and visible compartment. A Trans-temporal approach, midbrain plane. B Yellow line indicates the margin of the midbrain, red nucleus in red, Raphe nucleus in green and substantia nigra in brownBack to article page